docs: def device_removed(self, device):
          """Show removal notification for specified device object."""
          if not self._mounter.is_handleable(device):
              return
          device_file = device.device_presentation
          if (device.is_drive or device.is_toplevel) and device_file:
              self._show_notification(
                  'device_removed',
                  _('Device removed'),
                  _('device disappeared on {0.device_presentation}', device),
                  device.icon_name)